IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 27 May 2010   (all times are UTC)

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01:58
<alkisg>
Good morning
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02:26
<johnny>
good morning alkisg
02:26
people are so happy about the new clients
02:26
now i just need to find some solution to remind them every 20 minutes to look around to see if anybody else wants to use the computer
02:27
we only have 3 terminals.. and it's really not enough.. but we don't have room but for one more
02:29
sad huh:(
02:30
<alkisg>
Well it should be easy to show them a reminder...
02:30
I'd just write a script to show them a notification bubble every 20 minutes
02:30
<johnny>
ah.. notification bubble.. that's probably one of the lesser intrusion solutions
02:30
<gnunux>
bonjour
02:30
hi (sorry)
02:30
<johnny>
i was also considering a message in the top bar
02:30
bonjour :)
02:31* johnny is not french
02:31
<johnny>
but.. you can surely greet us in that way
02:32
<dobber>
anyone worked with a solar panel ?
02:33
can i power up a thin client with that
02:36
<johnny>
uhmm.. i don't see why not.. if your solar panel can power it..
02:36
probably would want an arm based client
02:36
<dobber>
why ?
02:36
<johnny>
power usage
02:36
<dobber>
ah i see
02:36
<johnny>
much better than anything intel has
02:37
even the atom..
02:37
<Appiah>
O_o
02:37
<johnny>
it's why almost all the smartphones use arm nowadays
02:37
and they can run modern operating systems
02:37
linux (and linux distros) run on arm for many of the popular applications
02:37
and ubuntu official targets arm as well
02:37
officially*
02:38
so, everything in main must compile against arm
02:38
<Appiah>
just check your hardwares power usage
02:38
<johnny>
and run
02:38
<dobber>
ok thanks
02:38
<johnny>
Appiah, a standard pc could use from 90 -150W
02:38
<dobber>
i've never used solar panels before
02:38
<johnny>
the little dual core atom boxes i bought max out at 35W
02:38
<dobber>
so i was curious
02:39
<johnny>
obviously a cellpone uses much less than that :)
02:39
<dobber>
and how much is the arm box? 10 watts ?
02:39
<Appiah>
check the specific arm box
02:39
<johnny>
it really depends
02:39
how much else they use
02:39
check out beagleboard for a reference implmentation
02:40
<Appiah>
look up a model you have / going to buy
02:41
<johnny>
dobber, the processing power in the phones themselves is now up to 1Ghz
02:41
insane ..
02:41
i think the current iphone is 600mhz..?
02:41
certainly quite fast enough to handle most things
02:42
<dobber>
well, the modern "100-150$ thin clients"
02:42
are basicly phones with vga and network ports
02:42
<johnny>
dobber, some of the different boards/machines/phones include dedicated graphics processors.. which changes the usage pattern a bit
02:42
no..
02:42
phones are basically computers that don't have vga ports :)
02:42
<dobber>
yeah, that way :)
02:42
http://www.netbooknews.de/11904/norhtec-gecko-surfboard-keyboard-pc-mit-x86-cpu-fur-99-dollar/
02:47
<johnny>
it's all the same these days really
02:48
atm.. most people don't need much more than what 3 years agos computers can do
02:48
or more even..
02:48
so.. now the mobile stuff is catching up to match
02:48
exciting stuff really
02:49* johnny pokes alkisg
02:50
<johnny>
alkisg, so.. have you done any more experiments with xmpp? there's some exciting stuff out there coming up finally
02:50
<dobber>
that is true johnny
02:51
<alkisg>
johnny: yeah it'd be nice if we had an xmpp based teacher/student communication program,...
02:51
unfortunately I didn't find any easy way to do it, so I used python/twisted/bash instead
02:51
<johnny>
alkisg, that's pretty broad
02:51
that's the kind of thing i can convince some people to do :)
02:51
you just have to spec it out
02:52
<alkisg>
Specing is easy... as long as there's a chance that it gets implemented
02:52
<johnny>
alkisg, also.. google wave is available as a xmpp component nowadays.. in some fashion
02:52
i don't recall, but it involves prosody
02:52
<alkisg>
The best thing to have would be an empathy plugin where the teacher exposes classes and the students join it
02:52
*them
02:52
<johnny>
sure.. but what do they do the the classes?
02:53
<alkisg>
..and the teacher can then transmit files to the students, or help them with remote desktop etc
02:53
<johnny>
hmm.. you don't seem to far away from that
02:53
<alkisg>
Most of the functionality is already there; it just isn't classroom oriented
02:53
<johnny>
sine the remote desktop stuff is there
02:53
and transmit files is there
02:53
via zeroconf
02:53
<alkisg>
Right, but you can't tell a teacher to transmit 10 files to 10 students one-by-one
02:53
There's no notion of "group" or "classroom" for the moment
02:54
<johnny>
a group? well.. there are groups in xmpp
02:54
in the buddy list
02:54
also.. wouldn't the entire local subnet under the zeroconf look like a group?
02:54
obviously that would depend on your network segmentation
02:54
<alkisg>
Yeah that would work too, in most cases.
02:54
<johnny>
the other way, would be to use the shared groups functionality of xmpp
02:55
so, you assign it at the sys admin level
02:55
instead of adhoc based on who's in the classroom
02:55
that's another valid approach
02:55
<alkisg>
Well the fact is that empathy doesn't support sending files to multiple recipients etc... so someone knowledgable would have to take up on this
02:55
<johnny>
so.. then what? you're just left with a ui problem with the lack of "Send to Group" ?
02:56
sure.. but that's only one issue
02:56
what are the rest
02:56
if you write this down.. i will bear down on some people to get it done
02:56
<alkisg>
E.g. execure remote commands...
02:56
<johnny>
not necessarily next week
02:56
but.. hmm.. wasn't there this dbus based thing that was like apple script
02:56
<alkisg>
I.e. it could be something like an italc replacement, where the teacher manages his students
02:56
<johnny>
then you could just send those around
02:57
<alkisg>
dbus doesn't work between different pcs currently
02:57
<johnny>
sure.. but i meant sending them one of these scripts to execute
02:57
which are mapped to dbus verbs and nouns
02:57
<alkisg>
And if xmpp is going to be used as the backend, there's no point in limiting it to the local network
02:57
<johnny>
of course not
02:58
<alkisg>
So I don't think dbus would be required in the implementation...
02:58
<johnny>
i wonder if that project is still around
02:58
dbus for the "execute commands"
02:58* johnny will brb
03:18
<johnny>
had to do some stuff
03:22
alkisg, http://www.pendrivelinux.com/boot-from-usb-without-bios-support-via-plop-cd/
03:22
hopefully grub evolves enough of a usb driver to do the same..
03:25
pendrivelinux sure has alot more posts nowadays :)
03:25
alkisg, .. portable virtualbox!
03:25
<alkisg>
johnny: thanks, that looks good. Did you read how it works? Does it copy itself just below 640Kb and change the conventional ram reported by the bios?
03:25
<johnny>
that surely sounds like a great way to use my tools on somebody elses computer
03:25
alkisg, no. i was just browsing and noticed it
03:26
i was going to ignore that aspect for now, and just looking for a distro that does what i want
03:26
i know the portable apps stuff for win is pretty good
03:26
would like to see that merged in with an iso app runner too
03:26
something that tracked the various livecds and kept it up to date
03:27
hmm.. it's just too bad about the filesystem requirements tho..
03:28
since windows doesn't have an ext2/3/4 native driver :(
03:30
hmm.. another solution might be to use wubi and portable virtual box..
03:31
that is.. until linux can boot to a virtual box disk image natively..
03:33
one step closer..
03:33
http://www.pendrivelinux.com/universal-usb-installer-easy-as-1-2-3/
03:33
but.. it's windows only
03:33* johnny thinks
03:34
<johnny>
whoa http://www.pendrivelinux.com/linux-live-usb-creator/
03:34
also windows..
03:35
that one even sets up the portable virtual box!
03:35
now.. does such a thing exist for linux..
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03:37* johnny doubts there will be a portable colinux ever
03:55
<johnny>
alkisg, ! http://liveusb.info/dotclear/index.php
03:55
that's exactly what i was looking for i think
03:55
currently waiting for it to translate from french
04:07
ah.. it looks like they kinda went a bad way in implementing it.. it completely requires ubuntu :(
04:07
very hard coded
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07:21
<alkisg>
!compiz
07:21
<ltspbot>
alkisg: "compiz" :: if compiz is giving you problems, one way to disable it for all users is: sudo gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type string --set /desktop/gnome/session/required_components/windowmanager metacity
07:22
<dobber>
man, i spend 2 days figuring out the same thing!
07:22
<alkisg>
Heh, the bot here is wise, you're better search its knowledge :D
07:23
<dobber>
i didnt know it was compiz problem at the begining :)
07:23
<vizz>
!pulseaudio
07:23
<ltspbot>
vizz: Error: "pulseaudio" is not a valid command.
07:33
<dobber>
The Lutheran Theological Seminary at Philadelphia (LTSP)
07:33
nice google
07:46
how do i change the boot splash of the client ?
07:46
in chroot i updated plymouth, updated initrd
07:46
update-image
07:46
and nothing
07:46
still the same splash
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08:10
<gibby>
hello all - setting up ltsp 5 on ubuntu 10.04. server is amd64. client i386. Some workstations the client locks up after putting up the desktop background. Others it works fine. Any ideas
08:12
<dobber>
gibby i think fly23 has this same problem
08:13
<fly23>
gibby: do you get thrown back to the login-manager?
08:14
<gibby>
no - just hangs. no mouse movement or icons or menus
08:15
<fly23>
hm, after the login, or while ldm should load?
08:15
<gibby>
after login
08:15
<fly23>
ok, my stations won't come so far
08:16
<dobber>
my stations freeze before ldm ;)
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08:37
<gibby>
is there a log anywhere that may shed some light on this problem?
08:37
<fly23>
try $HOME/.xsession-errors
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09:03
<gibby>
seems to be an xserver issue. When I use vesa it boots into desktop fine but at low resolution. resolution setting in lts.conf made no difference. when I removed XSERVER back to same problem. How would I find out which driver it is using?
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09:20
<thunsucker>
kusznir: hows your situation coming
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10:26
<kusznir>
thunsucker: I got my 9.10 box stable by completely gutting and rebuilding the network authentication system....2 hard days of work.
10:27
My 9.04 (formally my main termserver due to stability) is still highly unstable, and I don't know why. Probably need to reformat it.
10:29
So, basically Windows strikes again...never trust anything to Windows....Especially applicable to ones authentication system (AD).
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15:00
<atkuepker>
Is it unusual that there's no /etc/X11/xorg.conf on the terminal as in mentioned on p. 25 of the LTSP Admin Guide?
15:09
<Gadi>
atkuepker: the terminal should never have an /etc/X11/xorg.conf
15:09
if you configure something, it creates a /var/run/ltsp-xorg.conf
15:11
<atkuepker>
ah, so the docs are off slightly. ok.
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15:13
<akuepker_>
well, that was rather obvious proof that i845 still isn't working =)
15:17
50/50 chance to terminal lockup when switching from shell to X
15:19
<alkisg>
Did you try that newer 2.6.34 kernel? Or, with KMS off?
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15:32
<akuepker_>
setting up a test box now for the 2.6.34 kernel
15:32
nomodeset and i915.modeset=false failed
15:32
<alkisg>
Is it false or 0? Did you google it?
15:33
<akuepker_>
2.6.34 is going to be a tough sell for production environments though. Not looking forward to selling that idea to the IT Director.
15:33
<alkisg>
I think that driver was more stable in 9.04, maybe you could stick to that until it's stable for 10.04 again
15:36
<akuepker_>
after all the articles I've read about Jaunty's Intel video tribulations, it's rather sad if 9.04 was more stable than 9.10.
15:37
I'm still doing some testing here, so I'll play with it further. Tough to determine success when the soak threshold for whether it's working is up 2 business days tho.
15:38
<alkisg>
It was for a laptop with intel 855 that I have. Karmic and Lucid had problems with it. Now with 2.6.34 it's a little better, but it's still worse than in 9.04.
15:39
<akuepker_>
thankfully I have a few boxes to play with now. Gives me the willies trying to sort this stuff out on a production network.
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15:56
<tavis>
I have been asking around in #ubuntu ...but i thought i might as here.
15:56
i can't use any of the fonts in t1-xfree86-nonfree or ttf-xfree86-nonfree even after i have installed them on lucid. Even tried installing maually from the font files. They continue to not register with xlsfonts.
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